Effect of Intranasal Dexmedetomidine on the Night Before Surgery for Postoperative Delirium in Older Patients Undergoing Total Hip or Knee Arthroplasty: A Randomized Clinical Trial
Importance Postoperative delirium is a common and serious neurocognitive complication in elderly arthroplasty patients, with preoperative poor sleep as a key risk factor. Effective preoperative prevention strategies remain an urgent clinical need. Objective To assess preoperative intranasal dexmedetomidine for preventi...